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EPO worldwide legal event data (INPADOC)

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Legal event data relates to information on the events during the lifetime of a patent application. INPADOC contains legal events from over 50 international patent authorities worldwide, available as backfile and frontfile data.

Download a sample file

INPADOC data is the backbone of many EPO legal event products and services. It includes legal events from the patent gazettes and registers of various national patent authorities, including the EPO and WIPO.

With INPADOC you can:

  • download weekly frontfiles and an annual backfile
  • retrieve data in XML
  • build your own database or search tool and link legal events to your existing bibliographic records

1. Check the sample data and information on the main features of our raw data products. (XLS, 23 KB)

2. Order the product from

3. You will receive your user name and password for the download area by e-mail.

4. Process the backfile first.

5. Download the regular weekly exchange files (usually Tuesdays).

See weekly updated statistics




Frontfile: approx. 200 MB weekly
Backfile: approx. 10 GB


Current data (frontfile) is available as a weekly download.
Backfile data is available for download once a year.


Please visit our online shop for prices.

The EPO's bulk data sets are also referred to as "raw data products" or "EPO databases".  

INPADOC user manual

The manual contains information about the legal event exchange format and the layout of file records, data records and attribute lists. It includes explanations of legal events tags and a sample file.

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